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-rw-r--r--ext/exif/exif.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/ext/exif/exif.c b/ext/exif/exif.c
index b490ded55e..9db6674742 100644
--- a/ext/exif/exif.c
+++ b/ext/exif/exif.c
@@ -3254,7 +3254,7 @@ static void exif_process_APP12(image_info_type *ImageInfo, char *buffer, size_t
if ((l1 = php_strnlen(buffer+2, length-2)) > 0) {
exif_iif_add_tag(ImageInfo, SECTION_APP12, "Company", TAG_NONE, TAG_FMT_STRING, l1, buffer+2 TSRMLS_CC);
if (length > 2+l1+1) {
- l2 = php_strnlen(buffer+2+l1+1, length-2-l1+1);
+ l2 = php_strnlen(buffer+2+l1+1, length-2-l1-1);
exif_iif_add_tag(ImageInfo, SECTION_APP12, "Info", TAG_NONE, TAG_FMT_STRING, l2, buffer+2+l1+1 TSRMLS_CC);
}
}
@@ -3404,6 +3404,10 @@ static int exif_scan_JPEG_header(image_info_type *ImageInfo TSRMLS_DC)
case M_SOF13:
case M_SOF14:
case M_SOF15:
+ if ((itemlen - 2) < 6) {
+ return FALSE;
+ }
+
exif_process_SOFn(Data, marker, &sof_info);
ImageInfo->Width = sof_info.width;
ImageInfo->Height = sof_info.height;